C31313132333131133132233132233131121133132333131333132333132322211111   >>    C3131313233313113313223313223313112113313233313133313233313232221111   <<    C31313132333131133132233132233131121133132333131333132333132322211113   >>      C31313132333131133132233132233131121133132333131333132333132322211112   >>